145506030 has 32 divisors (see below), whose sum is σ = 351450144. Its totient is φ = 38553216.

The previous prime is 145506001. The next prime is 145506103. The reversal of 145506030 is 30605541.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10737 + ... + 20156.

It is an arithmetic number, because the mean of its divisors is an integer number (10982817).

Almost surely, 2^145506030 is an apocalyptic number.

145506030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145506030 is an abundant number, since it is smaller than the sum of its proper divisors (205944114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145506030 is a wasteful number, since it uses less digits than its factorization.

145506030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31060.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 145506030 is about 12062.5880307669. The cubic root of 145506030 is about 525.9692209240.

The spelling of 145506030 in words is "one hundred forty-five million, five hundred six thousand, thirty".